Phys. Rev. B 73, 033107 (2006) [4 pages]
Interference effects due to commensurate electron trajectories and topological crossovers in (TMTSF)2ClO4
Abstract
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Citing Articles
H. I. Ha, 1 A. G. Lebed, 2 and M. J. Naughton11Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, USA
2Department of Physics, University of Arizona, Tucson, Arizona 85721, USA
Received 21 November 2005; published 30 January 2006
We report angle-dependent magnetoresistance measurements on (TMTSF)2ClO4 that provide strong support for a macroscopic quantum phenomenon, the "interference commensurate" (IC) effect, in quasi-one dimensional metals. In addition to observing rich magnetoresistance oscillations, and fitting them with one-electron calculations, we observe a clear demarcation of field-dependent behavior at local resistance minima and maxima (versus field angle). Anticipated by a theoretical treatment of the IC effect in terms of Bragg reflections in the extended Brillouin zone, this behavior results from one-dimensional  two dimensional (1D2D) topological crossovers of electron wave functions as a function of field orientation.
©2006 The American Physical Society
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